Alert archive / Wisconsin / Mesoscale Discussions
Mesoscale Discussions in Wisconsin, 2026
134 mesoscale discussions in 2026. An alert counts here when it covered any part of the state, so the counties below add up to more than the state. The archive of mesoscale discussions reaches back to 2003.
Mesoscale Discussions by county
Each county as a circle sized by its count in 2026. Tap one for its archive.
- Mesoscale Discussions
- 134
- Busiest month
- April31 mesoscale discussions
- Busiest day
- April 14, 20268 mesoscale discussions
Over time
By month
The alerts
Every alert, in the order issued. Times are local, Central Time. Each opens its own page with the text, the map, the radar and the sounding.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Feb 18, 4:16 AM CST | Mesoscale Discussion | SPC | Bayfield | 4 hr |
| Feb 19, 11:00 PM CST | Mesoscale Discussion | SPC | Crawford, Juneau, Monroe, Richland, Vernon | 5 hr |
| Mar 10, 4:53 PM CDT | Mesoscale Discussion | SPC | Kenosha | 97 min |
| Mar 10, 7:21 PM CDT | Mesoscale Discussion | SPC | Green, Kenosha, Lafayette, Milwaukee, Racine, Rock and 2 more | 84 min |
| Mar 12, 4:50 PM CDT | Mesoscale Discussion | SPC | Ashland, Bayfield, Douglas | 4 hr |
| Mar 13, 2:06 AM CDT | Mesoscale Discussion | SPC | Door, Florence | 4 hr |
| Mar 14, 11:55 PM CDT | Mesoscale Discussion | SPC | Brown, Buffalo, Calumet, Chippewa, Clark, Dunn and 20 more | 5 hr |
| Mar 15, 5:40 AM CDT | Mesoscale Discussion | SPC | Barron, Buffalo, Chippewa, Clark, Door, Dunn and 26 more | 5 hr |
| Mar 16, 4:25 AM CDT | Mesoscale Discussion | SPC | Brown, Calumet, Columbia, Dodge, Door, Florence and 15 more | 5 hr |
| Mar 30, 8:57 PM CDT | Mesoscale Discussion | SPC | Green, Lafayette, Rock, Walworth | 2 hr |
| Mar 30, 11:29 PM CDT | Mesoscale Discussion | SPC | Green, Kenosha, Lafayette, Racine, Rock, Walworth | 2 hr |
| Apr 2, 3:55 AM CDT | Mesoscale Discussion | SPC | Barron, Chippewa, Clark, Dunn, Eau Claire, Jackson and 18 more | 3 hr |
| Apr 2, 7:27 AM CDT | Mesoscale Discussion | SPC | Brown, Calumet, Florence, Fond du Lac, Forest, Kewaunee and 15 more | 3 hr |
| Apr 2, 12:34 PM CDT | Mesoscale Discussion | SPC | Florence, Marinette | 4 hr |
| Apr 3, 10:27 PM CDT | Mesoscale Discussion | SPC | Ashland, Bayfield, Burnett, Douglas, Florence, Forest and 15 more | 6 hr |
| Apr 12, 3:03 PM CDT | Mesoscale Discussion | SPC | Barron, Burnett, Douglas, Polk, Washburn | 117 min |
| Apr 13, 1:57 PM CDT | Mesoscale Discussion | SPC | Adams, Buffalo, Calumet, Clark, Columbia, Crawford and 25 more | 93 min |
| Apr 13, 4:48 PM CDT | Mesoscale Discussion | SPC | Forest, Langlade, Marinette, Menominee, Oconto, Shawano | 117 min |
| Apr 13, 5:46 PM CDT | Mesoscale Discussion | SPC | Buffalo, Clark, Eau Claire, Jackson, Pepin, Trempealeau and 1 more | 89 min |
| Apr 13, 7:57 PM CDT | Mesoscale Discussion | SPC | Adams, Clark, Green Lake, Jackson, Juneau, Marquette and 4 more | 93 min |
| Apr 13, 9:15 PM CDT | Mesoscale Discussion | SPC | Adams, Columbia, Crawford, Dane, Dodge, Fond du Lac and 23 more | 60 min |
| Apr 13, 11:43 PM CDT | Mesoscale Discussion | SPC | Columbia, Dane, Dodge, Fond du Lac, Iowa, Jefferson and 5 more | 92 min |
| Apr 14, 1:50 AM CDT | Mesoscale Discussion | SPC | Kenosha, Milwaukee, Ozaukee, Racine | 85 min |
| Apr 14, 12:56 PM CDT | Mesoscale Discussion | SPC | Columbia, Crawford, Dane, Grant, Green, Iowa and 6 more | 2 hr |
| Apr 14, 3:42 PM CDT | Mesoscale Discussion | SPC | Grant, Iowa, Lafayette | 93 min |
| Apr 14, 6:07 PM CDT | Mesoscale Discussion | SPC | Jefferson, Waukesha | 53 min |
| Apr 14, 6:36 PM CDT | Mesoscale Discussion | SPC | Dane, Grant, Green, Iowa, Lafayette, Rock | 114 min |
| Apr 14, 8:32 PM CDT | Mesoscale Discussion | SPC | Kenosha, Milwaukee, Walworth, Waukesha | 88 min |
| Apr 15, 4:49 PM CDT | Mesoscale Discussion | SPC | Columbia, Dane, Dodge, Grant, Green, Iowa and 11 more | 86 min |
| Apr 15, 9:26 PM CDT | Mesoscale Discussion | SPC | Kenosha, Milwaukee, Racine | 94 min |
| Apr 17, 7:44 AM CDT | Mesoscale Discussion | SPC | Pierce, Saint Croix | 91 min |
| Apr 17, 11:48 AM CDT | Mesoscale Discussion | SPC | Adams, Buffalo, Columbia, Crawford, Dane, Dodge and 19 more | 2 hr |
| Apr 17, 2:05 PM CDT | Mesoscale Discussion | SPC | Lafayette | 55 min |
| Apr 17, 2:49 PM CDT | Mesoscale Discussion | SPC | Buffalo, Crawford, La Crosse, Pepin, Trempealeau | 116 min |
| Apr 17, 3:07 PM CDT | Mesoscale Discussion | SPC | Ashland, Barron, Bayfield, Burnett, Chippewa, Douglas and 9 more | 53 min |
| Apr 17, 4:42 PM CDT | Mesoscale Discussion | SPC | Green, Kenosha, Milwaukee, Racine, Rock, Walworth and 1 more | 2 hr |
| Apr 17, 5:06 PM CDT | Mesoscale Discussion | SPC | Adams, Clark, Forest, Jackson, Langlade, Lincoln and 7 more | 114 min |
| Apr 21, 1:07 PM CDT | Mesoscale Discussion | SPC | Kenosha, Racine, Walworth | 113 min |
| Apr 23, 3:40 PM CDT | Mesoscale Discussion | SPC | Barron, Burnett, Dunn, Pepin, Pierce, Polk and 2 more | 65 min |
| Apr 23, 5:56 PM CDT | Mesoscale Discussion | SPC | Buffalo, Pepin, Pierce, Saint Croix | 2 hr |
| Apr 27, 12:52 PM CDT | Mesoscale Discussion | SPC | Buffalo, Crawford, Grant, Iowa, Juneau, La Crosse and 4 more | 2 hr |
| Apr 27, 4:59 PM CDT | Mesoscale Discussion | SPC | Adams, Columbia, Crawford, Dane, Grant, Iowa and 12 more | 91 min |
| May 4, 3:42 PM CDT | Mesoscale Discussion | SPC | Kenosha, Racine, Walworth | 2 hr |
| May 12, 4:36 PM CDT | Mesoscale Discussion | SPC | Brown, Calumet, Door, Fond du Lac, Kewaunee, Manitowoc and 8 more | 114 min |
| May 15, 5:41 PM CDT | Mesoscale Discussion | SPC | Adams, Chippewa, Clark, Columbia, Dane, Eau Claire and 29 more | 2 hr |
| May 15, 9:07 PM CDT | Mesoscale Discussion | SPC | Columbia, Crawford, Dane, Dodge, Fond du Lac, Grant and 13 more | 113 min |
| May 16, 12:29 AM CDT | Mesoscale Discussion | SPC | Dane, Green, Iowa, Jefferson, Lafayette, Milwaukee and 3 more | 91 min |
| May 17, 11:01 AM CDT | Mesoscale Discussion | SPC | Columbia, Dane, Dodge, Fond du Lac, Green, Green Lake and 7 more | 119 min |
| May 17, 10:32 PM CDT | Mesoscale Discussion | SPC | Crawford, Grant, Vernon | 118 min |
| May 18, 1:24 AM CDT | Mesoscale Discussion | SPC | Crawford, Grant, Richland, Vernon | 96 min |
| May 27, 3:14 PM CDT | Mesoscale Discussion | SPC | Adams, Barron, Buffalo, Calumet, Chippewa, Clark and 30 more | 91 min |
| May 27, 6:07 PM CDT | Mesoscale Discussion | SPC | Adams, Clark, Jackson, Juneau, Marquette, Monroe and 3 more | 83 min |
| Jun 5, 12:45 PM CDT | Mesoscale Discussion | SPC | Ashland, Barron, Bayfield, Burnett, Douglas, Polk and 4 more | 90 min |
| Jun 5, 2:38 PM CDT | Mesoscale Discussion | SPC | Ashland, Barron, Bayfield, Brown, Burnett, Chippewa and 30 more | 97 min |
| Jun 5, 5:24 PM CDT | Mesoscale Discussion | SPC | Adams, Buffalo, Clark, Eau Claire, Florence, Forest and 21 more | 2 hr |
| Jun 5, 9:18 PM CDT | Mesoscale Discussion | SPC | Brown, Buffalo, Calumet, Columbia, Crawford, Dane and 17 more | 87 min |
| Jun 8, 12:58 PM CDT | Mesoscale Discussion | SPC | Crawford, Grant, Green, Iowa, Lafayette | 92 min |
| Jun 10, 3:20 AM CDT | Mesoscale Discussion | SPC | Pierce, Saint Croix | 55 min |
| Jun 10, 4:04 AM CDT | Mesoscale Discussion | SPC | Burnett, Douglas | 116 min |
| Jun 10, 6:18 AM CDT | Mesoscale Discussion | SPC | Chippewa, Clark, Eau Claire, Jackson, Marathon, Portage and 2 more | 87 min |
| Jun 10, 11:09 AM CDT | Mesoscale Discussion | SPC | Grant, Lafayette | 2 hr |
| Jun 10, 1:00 PM CDT | Mesoscale Discussion | SPC | Adams, Columbia, Crawford, Dane, Dodge, Fond du Lac and 17 more | 2 hr |
| Jun 10, 3:58 PM CDT | Mesoscale Discussion | SPC | Kenosha, Manitowoc, Milwaukee, Ozaukee, Racine, Sheboygan | 2 hr |
| Jun 10, 5:47 PM CDT | Mesoscale Discussion | SPC | Barron, Buffalo, Chippewa, Dunn, Eau Claire, La Crosse and 5 more | 88 min |
| Jun 11, 6:14 PM CDT | Mesoscale Discussion | SPC | Kenosha, Racine | 91 min |
| Jun 17, 12:37 PM CDT | Mesoscale Discussion | SPC | Buffalo, La Crosse, Pepin, Pierce, Trempealeau | 83 min |
| Jun 17, 4:45 PM CDT | Mesoscale Discussion | SPC | Crawford, Grant, Vernon | 2 hr |
| Jun 17, 5:55 PM CDT | Mesoscale Discussion | SPC | Grant, Iowa, Lafayette | 95 min |
| Jun 19, 1:27 PM CDT | Mesoscale Discussion | SPC | Barron, Buffalo, Burnett, Chippewa, Dunn, Eau Claire and 4 more | 3 hr |
| Jun 19, 3:56 PM CDT | Mesoscale Discussion | SPC | Barron, Burnett, Dunn, Pepin, Pierce, Polk and 1 more | 2 hr |
| Jun 23, 5:40 PM CDT | Mesoscale Discussion | SPC | Pierce | 95 min |
| Jun 24, 12:44 PM CDT | Mesoscale Discussion | SPC | Adams, Brown, Calumet, Chippewa, Clark, Columbia and 42 more | 3 hr |
| Jun 24, 5:28 PM CDT | Mesoscale Discussion | SPC | Adams, Brown, Calumet, Columbia, Dane, Dodge and 37 more | 92 min |
| Jun 29, 1:30 AM CDT | Mesoscale Discussion | SPC | Ashland, Bayfield, Burnett, Douglas, Forest, Iron and 11 more | 3 hr |
| Jun 29, 11:37 AM CDT | Mesoscale Discussion | SPC | Douglas | 113 min |
| Jun 29, 2:14 PM CDT | Mesoscale Discussion | SPC | Bayfield, Douglas | 2 hr |
| Jun 29, 7:03 PM CDT | Mesoscale Discussion | SPC | Florence, Forest, Marinette, Oneida | 87 min |
| Jun 30, 4:04 AM CDT | Mesoscale Discussion | SPC | Pierce | 86 min |
| Jun 30, 7:54 AM CDT | Mesoscale Discussion | SPC | Buffalo, Chippewa, Clark, Dunn, Eau Claire, Jackson and 9 more | 96 min |
| Jun 30, 10:34 AM CDT | Mesoscale Discussion | SPC | Brown, Calumet, Door, Kewaunee, Manitowoc, Menominee and 4 more | 116 min |
| Jun 30, 2:51 PM CDT | Mesoscale Discussion | SPC | Buffalo, Chippewa, Clark, Dunn, Eau Claire, Jackson and 12 more | 2 hr |
| Jun 30, 5:33 PM CDT | Mesoscale Discussion | SPC | Brown, Door, Kewaunee, Marinette, Menominee, Oconto and 2 more | 87 min |
| Jul 1, 6:59 AM CDT | Mesoscale Discussion | SPC | Adams, Brown, Buffalo, Calumet, Clark, Columbia and 29 more | 3 hr |
| Jul 1, 10:11 AM CDT | Mesoscale Discussion | SPC | Adams, Calumet, Columbia, Dodge, Fond du Lac, Green Lake and 9 more | 94 min |
| Jul 1, 2:34 PM CDT | Mesoscale Discussion | SPC | Columbia, Dane, Dodge, Grant, Green, Iowa and 11 more | 116 min |
| Jul 1, 6:11 PM CDT | Mesoscale Discussion | SPC | Buffalo, La Crosse, Pepin, Trempealeau, Vernon | 2 hr |
| Jul 1, 10:28 PM CDT | Mesoscale Discussion | SPC | Adams, Columbia, Crawford, Green Lake, Juneau, La Crosse and 6 more | 92 min |
| Jul 2, 11:05 AM CDT | Mesoscale Discussion | SPC | Crawford, Grant, Iowa, Richland | 85 min |
| Jul 2, 1:10 PM CDT | Mesoscale Discussion | SPC | Crawford, Grant, Iowa, Lafayette, Richland | 95 min |
| Jul 2, 2:30 PM CDT | Mesoscale Discussion | SPC | Columbia, Dane, Dodge, Green, Iowa, Jefferson and 11 more | 90 min |
| Jul 2, 3:53 PM CDT | Mesoscale Discussion | SPC | Crawford, Grant | 97 min |
| Jul 2, 5:10 PM CDT | Mesoscale Discussion | SPC | Columbia, Dane, Dodge, Green, Jefferson, Kenosha and 8 more | 2 hr |
| Jul 2, 5:42 PM CDT | Mesoscale Discussion | SPC | Lafayette | 2 hr |
| Jul 2, 7:40 PM CDT | Mesoscale Discussion | SPC | Kenosha, Racine, Walworth | 2 hr |
| Jul 3, 11:15 AM CDT | Mesoscale Discussion | SPC | Kenosha, Milwaukee, Racine, Rock, Walworth | 2 hr |
| Jul 3, 1:20 PM CDT | Mesoscale Discussion | SPC | Kenosha, Milwaukee, Racine | 55 min |
| Jul 3, 5:05 PM CDT | Mesoscale Discussion | SPC | Dane, Grant, Green, Iowa, Jefferson, Kenosha and 6 more | 115 min |
| Jul 8, 1:15 PM CDT | Mesoscale Discussion | SPC | Adams, Buffalo, Clark, Eau Claire, Green Lake, Jackson and 10 more | 2 hr |
| Jul 17, 2:46 PM CDT | Mesoscale Discussion | SPC | Ashland, Bayfield, Douglas | 119 min |
| Jul 17, 7:02 PM CDT | Mesoscale Discussion | SPC | Ashland, Barron, Burnett, Iron, Polk, Price and 4 more | 2 hr |
| Jul 20, 8:37 AM CDT | Mesoscale Discussion | SPC | Florence | 113 min |
| Jul 20, 1:53 PM CDT | Mesoscale Discussion | SPC | Adams, Ashland, Buffalo, Chippewa, Clark, Crawford and 22 more | 2 hr |
| Jul 20, 5:15 PM CDT | Mesoscale Discussion | SPC | Florence, Forest, Oneida, Vilas | 2 hr |
| Jul 20, 7:20 PM CDT | Mesoscale Discussion | SPC | Adams, Columbia, Crawford, Dane, Grant, Green and 10 more | 115 min |
| Jul 20, 8:04 PM CDT | Mesoscale Discussion | SPC | Brown, Forest, Kewaunee, Langlade, Marathon, Marinette and 7 more | 86 min |
| Jul 20, 9:52 PM CDT | Mesoscale Discussion | SPC | Brown, Calumet, Door, Kewaunee, Oconto, Outagamie and 2 more | 53 min |
| Jul 26, 8:28 PM CDT | Mesoscale Discussion | SPC | Ashland, Barron, Bayfield, Brown, Burnett, Calumet and 26 more | 92 min |
| Jul 26, 11:54 PM CDT | Mesoscale Discussion | SPC | Ashland, Barron, Bayfield, Brown, Burnett, Chippewa and 24 more | 96 min |
| Jul 27, 5:26 AM CDT | Mesoscale Discussion | SPC | Iron | 2 hr |
| Jul 27, 7:30 AM CDT | Mesoscale Discussion | SPC | Florence, Forest, Iron, Oneida, Vilas | 2 hr |
| Jul 27, 9:40 AM CDT | Mesoscale Discussion | SPC | Brown, Calumet, Dodge, Fond du Lac, Green Lake, Jefferson and 13 more | 3 hr |
| Jul 27, 12:16 PM CDT | Mesoscale Discussion | SPC | Calumet, Ozaukee, Sheboygan, Winnebago | 89 min |
| Jul 27, 4:57 PM CDT | Mesoscale Discussion | SPC | Brown, Calumet, Door, Kewaunee, Langlade, Manitowoc and 10 more | 93 min |
| Aug 7, 3:11 PM CDT | Mesoscale Discussion | SPC | Ashland, Bayfield, Florence, Forest, Iron, Langlade and 7 more | 2 hr |
| Aug 7, 5:53 PM CDT | Mesoscale Discussion | SPC | Florence, Forest, Iron, Langlade, Lincoln, Marinette and 4 more | 2 hr |
| Aug 9, 9:20 AM CDT | Mesoscale Discussion | SPC | Columbia, Dane, Dodge, Jefferson, Kenosha, Marquette and 6 more | 85 min |
| Aug 11, 9:00 AM CDT | Mesoscale Discussion | SPC | Grant, Green, Iowa, Kenosha, Lafayette, Rock and 1 more | 2 hr |
| Aug 11, 8:04 PM CDT | Mesoscale Discussion | SPC | Grant, Lafayette | 2 hr |
| Aug 11, 10:04 PM CDT | Mesoscale Discussion | SPC | Brown, Calumet, Clark, Eau Claire, Jackson, Kewaunee and 14 more | 116 min |
| Aug 18, 1:52 PM CDT | Mesoscale Discussion | SPC | Adams, Buffalo, Crawford, Grant, Iowa, Jackson and 7 more | 113 min |
| Aug 18, 4:52 PM CDT | Mesoscale Discussion | SPC | Door, Kewaunee, Manitowoc | 113 min |
| Aug 18, 5:29 PM CDT | Mesoscale Discussion | SPC | Columbia, Crawford, Dane, Dodge, Fond du Lac, Grant and 16 more | 2 hr |
| Aug 21, 2:22 PM CDT | Mesoscale Discussion | SPC | Grant, Green, Iowa, Lafayette, Rock | 113 min |
| Aug 25, 1:21 PM CDT | Mesoscale Discussion | SPC | Barron, Bayfield, Burnett, Chippewa, Douglas, Dunn and 5 more | 114 min |
| Aug 25, 6:48 PM CDT | Mesoscale Discussion | SPC | Barron, Burnett, Douglas, Polk, Washburn | 87 min |
| Sep 1, 11:56 PM CDT | Mesoscale Discussion | SPC | Buffalo, Juneau, La Crosse, Monroe, Trempealeau, Vernon | 2 hr |
| Sep 2, 2:08 AM CDT | Mesoscale Discussion | SPC | Buffalo, Jackson, Juneau, La Crosse, Monroe, Trempealeau and 1 more | 97 min |
| Sep 2, 5:37 AM CDT | Mesoscale Discussion | SPC | Kewaunee, Manitowoc | 113 min |
| Sep 3, 7:52 AM CDT | Mesoscale Discussion | SPC | Adams, Brown, Buffalo, Calumet, Chippewa, Clark and 40 more | 83 min |
| Sep 3, 11:26 PM CDT | Mesoscale Discussion | SPC | Calumet, Columbia, Dodge, Fond du Lac, Green Lake, Jefferson and 9 more | 94 min |
| Sep 3, 11:55 PM CDT | Mesoscale Discussion | SPC | Barron, Burnett, Douglas, Polk, Washburn | 2 hr |
| Sep 4, 2:08 AM CDT | Mesoscale Discussion | SPC | Calumet, Dodge, Fond du Lac, Green Lake, Outagamie, Ozaukee and 4 more | 97 min |
| Sep 4, 2:10 PM CDT | Mesoscale Discussion | SPC | Crawford, Dane, Grant, Green, Iowa, Lafayette and 3 more | 2 hr |
| Sep 4, 9:01 PM CDT | Mesoscale Discussion | SPC | Kenosha, Racine, Walworth | 3 hr |
By county
Every county with at least one alert. A county page lists each alert that covered it.
- Lafayette County31
- Iowa County31
- Grant County30
- Richland County28
- Trempealeau County28
- Wood County28
- Crawford County27
- Vernon County27
- Kenosha County27
- Rock County27
- Columbia County27
- Sauk County27
- Juneau County26
- Walworth County26
- Jackson County26
- Shawano County26
- Green County25
- Racine County25
- Pepin County25
- Portage County25
- Waushara County25
- Dane County25
- Monroe County24
- Buffalo County24
- Marathon County24
- Outagamie County24
- Dodge County24
- Marquette County24
- Milwaukee County23
- Waukesha County23
- Clark County23
- Langlade County23
- Menominee County23
- Waupaca County23
- La Crosse County23
- Washington County22
- Jefferson County22
- Calumet County21
- Fond du Lac County21
- Green Lake County21
32 more counties
- Adams County21
- Eau Claire County20
- Oconto County20
- Winnebago County20
- Brown County19
- Lincoln County19
- Pierce County19
- Forest County19
- Florence County18
- Chippewa County18
- Marinette County18
- Oneida County18
- Ozaukee County18
- Barron County17
- Douglas County16
- Taylor County16
- Burnett County16
- Dunn County15
- Kewaunee County15
- Price County15
- Rusk County15
- Manitowoc County14
- Polk County14
- Sawyer County14
- Vilas County14
- Washburn County14
- Bayfield County13
- Saint Croix County13
- Ashland County12
- Iron County12
- Sheboygan County12
- Door County10
The busiest days
Days with the most alerts issued, by UTC date.
Nearby
Sources
National Weather Service watches, warnings, advisories and statements from the Iowa Environmental Mesonet's VTEC archive, which reconstructs tornado, severe thunderstorm, flash flood and marine warnings back to 1986 from the NWS text archive. Storm Prediction Center watches and mesoscale discussions from SPC's archive through the Mesonet. County centers from the US Census Bureau. Warning verification from the Mesonet's Cow. Rebuilt daily.